Auxiliary air-valve for internal-combustion engines.



J. HANMAN.

AUXILIARY AIR VALVE FOR INTERNAL COMBUSTION ENGINES.

' APPLICATION um) SEPT-29. I911.

1 ,298,935, Patented Apr. 1, 1919.

2 SHEETSSHEET I.

m: NURRIS Fun: :41, mom-1.1mm wvlsumsrou n. c.

J. HANMAN.

AUXILIARY AIR VALVE FOR INTERNAL COMBUSTION ENGINES. APPLICATIQH FILED SEPT. 29. 1917.

1,298,935. Pat-ent d Apr. 1,1919.

2 SHEETS-SHEET 2.

@TES PATET FFICE.

JOHN HANMAN, OF BAYSWATER, LONDON, ENGLAN'D, ASSIGNOR TO PIERRE BERNARD BAUSCH AND FRANK FREDERICK PERSHKE, TRADING UNDER THE FIRM. NAME OF PRICE SERVICE & COMPANY, OF LONDON, ENGLAND.

Specification of Letters Patent.

Patented Apr. 1, 1919.

Application filed September 29, 1917. Serial No. 194,026.

To all whom it may concern:

Be it known that I, JOHN HANMAN, a subject of the King of Great Britain and Ireland, and resident of Bayswater, county of London, England, have invented a certain new and useful Improvement in or Relating to Auxiliary Air-Valves for Internal-Combustion Engines, of which the following is a specification.

This invention which relates to internal combustion engines has for its object to cause petrol or other liquid fuel to flow freely, increasing the efliciency of the en gine, gaining more power and mileage with a reduction of fuel, by supplying hot air to the induction from and by a valve heated by exhaust, hot air or water.

The invention is illustrated by the accompanying sheets of drawings, in which Figure 1 is a vertical section of an auxiliary valve constructed in accordance with the invention.

Fig. 2 is an elevation, partly in section, showing a modification of the non-return valve thereof.

hereinafter referred to, of a further modification of non-return valve.

Fig. 7 is a side view, partly in elevation and partly in section, illustrating a still further modified arrangement of the fresh air inlet or valve.

Fig. 8 is a front view of said Fig. 7.

Fig. 9 is a front view of the flanged disk thereof, shown detached.

Fig. 10 is a front view of the slotted and rotatable disk thereof, shown detached.

In carrying out the invention, the body a of the valve as a whole, is provided with a centrally disposed collecting chamber 7),

with a surrounding jacket 0, and such collecting chamber 6 is provided with a nonreturn valve opening to said chamber, said valve being carried by a flanged disk 01 attached to the valve body, said disk 03 also carrying a semi-spherical and perforated cap or cover 6, Figs. 1 and 2.

The jacket a surrounding the collecting chamber 6 is provided with inlet pipe 7 and outlet pipe 9, said inlet pipe- 7 being connected with exhaust or to a suitable hot air or water supply so that air sucked in through the perforated cap or cover 0 and the non-return valve into the collecting chamber 6 is heated therein by the heat transmitted from the exhaust, hot air or water before passing through the outlet h of said collecting chamber 6 to the induction, said outlet it being connected to said induction in any suitable manner.

The valve, according to one arrangement, consists of holes 2' in the flanged disk d, and a disk j loosely mounted on a central spindle 70 on said flanged disk 03 and normally covering said holes a, said spindle 7a which extends into the collecting chamber 6, Fig. 1, being screw-threaded to receive a nut m which bears on a spring a encircling the spindle is and bearing against the disk or shiftable air regulating member j covering the holes in the flanged disk d.

Or, as shown in Fig. 2, instead of the flanged disk d, a flanged cup 0 may be employed, the body of said cup extending into the collecting chamber Z). In this case the spindle is is slidably mounted in the end of the cup 0 and carries at its inner end and outside the cup 0 the disk j which covers the holes z now arranged in the bottom of the cup 0, the spring a which encircles said spindle is now being arranged between the nut m and the bottom of the cup.

Or, as shown in Figs. 3 to 6, ball or like spring-controlled valves may be employed, each ball 79 and its spring 9 being carried in a casing '1" adapted to be inserted in the flanged disk d, on the spindle is of which is loosely mounted another shiftable air regulating member in the form of a disk 8 provided with a semi-circular slot t, said disk 8 which is controlled by nut m and spring a on said spindle is serving to shut off the ball valve p when the plain portion a of said disk 8 is turned to cover them.

Referring now to the arrangement shown by Figs. 7 to 10 which illustrates the auxiliary air valve as constructed for control from the dashboard or drivers seat by means of a Bowden wire or other suitable means. In this arrangement of auxiliary valve, the perforated cap or cover e employed in the other arrangements of auxiliary air valves shown is now dispensed with and the disk d provided with a series of perforations or holes 2' to which fresh air is admitted by way of the semi-circular slot t in a disks rotatably mounted on the screwed spindle k, said disk 8 being prevented from moving away from the disk cl by anut k on said spindle 70.

The disk 8 is provided with a nib-or projection uadapted to be-iconnected to the Bowden wire or other means operable-by the driver of a car, so that said disk .9 may be rotated to cover by itszplain'portion u one, two or more of the holes or perforations 2' ine theidisk, :andthus control the amount: of

fresh air admitted to the chamber 6 wherein it is heated before passing through-outleth to induction.

: Having now-described my 1I1V611t1OI1;Wha,t

I claim as new anddesire to secure by'Let- 'tersPatent ofthe United States is 1. An air heating unit for'internal combustion engines including a :casing having hollow wall portion; and 'an'interiorair heating chamber surrounded. thereby, a

heated air outlet-nipple formed on'the .cas-

' ing' and having its axis coincident with the longitudinal axis of .the air heating cham- "'ber,;rad"1ally disposed heated fluid conducting pipe connections leading into thehollow Wall portion of the casing, and an air regulating device detaohab-ly fitted to the casing at the side of theair chamberopposite the heated-air outlet nippleand iconstituting one of the walls of the air heating chamber. 2. An air. heating unit'fortinternal combustion engines consisting of a double walled tubul'anbody, one end of which is aformed with an offset nipple portion and the' other nections for the double walled body, andan air regulating "device". adapted to ;be' ""fitted into the open ,:end' of r the' unit to'zprovide a JOHN HANMAN. Witnesses:

RoB'r'fI-IUN TER,

" '"BENJL .Trros'lKING.

-"Copies of this patentdnaybe obtainedfor five cents'each; by afldressing the Commissioner of Patents,

= Washington, D. Ci 

